Home / 1,645,972.72-2,468,709.53-447,988.40

Finding the Fourth Proportional to 1,645,972.72, 2,468,709.53 and 447,988.40

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Solution

The fourth proportional to 1,645,972.72, 2,468,709.53 and 447,988.40 is: 671,914.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,645,972.72 : 2,468,709.53 = 447,988.40 : x
  2. Step 2: Convert to fraction form
    1,645,972.72/2,468,709.53 = 447,988.40/x
  3. Step 3: Cross multiply
    1,645,972.72x = 2,468,709.53 × 447,988.40
  4. Step 4: Simplify right side
    1,645,972.72x = 1,105,953,232,409.45
  5. Step 5: Solve for x
    x = 1,105,953,232,409.45/1,645,972.72
  6. Step 6: Final answer
    x = 671,914.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.